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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test that the rule-view content is correct when the page defines layers.
const TEST_URI = `
<style type="text/css">
@import url(${URL_ROOT_COM_SSL}doc_imported_anonymous_layer.css) layer;
@import url(${URL_ROOT_COM_SSL}doc_imported_named_layer.css) layer(importedLayer);
@import url(${URL_ROOT_COM_SSL}doc_imported_no_layer.css);
@layer myLayer {
h1, [test-hint=named-layer] {
background-color: tomato;
color: lightgreen;
}
}
@layer {
h1, [test-hint=anonymous-layer] {
color: green;
font-variant: small-caps
}
}
h1, [test-hint=no-rule-layer] {
color: pink;
}
</style>
<h1>Hello @layer!</h1>
`;
add_task(async function () {
await addTab(
encodeURIComponent(TEST_URI)
);
const { inspector, view } = await openRuleView();
await selectNode("h1", inspector);
const expectedRules = [
{ selector: "element", ancestorRulesData: null },
{ selector: `h1, [test-hint="no-rule-layer"]`, ancestorRulesData: null },
{
selector: `h1, [test-hint="imported-no-layer--no-rule-layer"]`,
ancestorRulesData: null,
},
{
selector: `h1, [test-hint="anonymous-layer"]`,
ancestorRulesData: ["@layer {"],
},
{
selector: `h1, [test-hint="named-layer"]`,
ancestorRulesData: ["@layer myLayer {"],
},
{
selector: `h1, [test-hint="imported-named-layer--no-rule-layer"]`,
ancestorRulesData: ["@layer importedLayer {", " @media screen {"],
},
{
selector: `h1, [test-hint="imported-named-layer--named-layer"]`,
ancestorRulesData: [
"@layer importedLayer {",
" @media screen {",
" @layer in-imported-stylesheet {",
],
},
{
selector: `h1, [test-hint="imported-nested-named-layer--named-layer"]`,
ancestorRulesData: [
"@layer importedLayer {",
" @layer importedNestedLayer {",
" @layer in-imported-nested-stylesheet {",
],
},
{
selector: `h1, [test-hint="imported-anonymous-layer--no-rule-layer"]`,
ancestorRulesData: ["@layer {"],
},
];
const rulesInView = Array.from(view.element.children);
is(
rulesInView.length,
expectedRules.length,
"All expected rules are displayed"
);
for (let i = 0; i < expectedRules.length; i++) {
const expectedRule = expectedRules[i];
info(`Checking rule #${i}: ${expectedRule.selector}`);
const selector = rulesInView[i].querySelector(
".ruleview-selectors-container"
).innerText;
is(selector, expectedRule.selector, `Expected selector for ${selector}`);
if (expectedRule.ancestorRulesData == null) {
is(
getRuleViewAncestorRulesDataElementByIndex(view, i),
null,
`No ancestor rules data displayed for ${selector}`
);
} else {
is(
getRuleViewAncestorRulesDataTextByIndex(view, i),
expectedRule.ancestorRulesData.join("\n"),
`Expected ancestor rules data displayed for ${selector}`
);
}
}
});